Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSGMC2013SIERRA DENALI AWD V8-6.2LREPAIR AND DIAGNOSISHEATING AND AIR CONDITIONINGBLOWER MOTORSERVICE AND REPAIR
2013 GMC Sierra Denali AWD V8-6.2L
Blower Motor: Service and Repair
2013 GMC Sierra Denali AWD V8-6.2LSECTION Service and Repair
Blower Motor Replacement
Removal Procedure
1. If equipped, remove the sound insulator panel. Refer to Instrument Panel Insulator Replacement (With RPO SLT) Instrument Panel Insulator Replacement (With RPO SLT)Instrument Panel Insulator Replacement (Without RPO SLT) Instrument Panel Insulator Replacement (Without RPO SLT).
2. Remove the blower motor insulating cover screws.
3. Disconnect the electrical connector from the blower motor.
4. Remove the blower motor insulating cover.
5. Pull the retaining tab down while turning the blower motor counterclockwise in order to disengage the blower motor from the heater/ventilation module.
6. Remove the blower motor.
Installation Procedure
1. Install the blower motor.
2. Install the blower motor to the heater/ventilation module. Turn the blower assembly clockwise until the retaining tab locks into place.
3. Install the blower motor insulating cover.
4. Connect the electrical connector to the blower motor.
Caution:
Refer to Fastener Caution Fastener Caution.
5. Install the blower motor insulating cover screws and tighten to 1.6 Nm (14 lb in).
6. If equipped, install the sound insulator panel. Refer to Instrument Panel Insulator Replacement (With RPO SLT) Instrument Panel Insulator Replacement (With RPO SLT)Instrument Panel Insulator Replacement (Without RPO SLT) Instrument Panel Insulator Replacement (Without RPO SLT).
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.